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Computer Repairer Training
More than 2 million students worldwide

Computer Repairer Training

Learn everything you need to diagnose, repair, and return computers to full working condition. This course covers hardware, software, and real shop operations from the ground up. Whether you want to launch a repair business or land a technician job, this training gives you the hands-on skills employers and customers demand.

Dedika for businesses

What you will learn:

You will learn how to safely disassemble desktops and laptops, diagnose hardware faults using professional tools, and replace failed components with confidence. The course covers OS installation, driver setup, malware removal, and performance optimization so you can handle the full range of repairs a shop receives. You will also learn how to source quality parts, document work orders, price your services, and deliver a finished machine that passes a professional quality check. Networking basics, mobile device repair, and soldering skills are included to expand your service offerings.

How you study in practice Computer Repairer Training

How you practice Computer Repairer Training

For companies looking to train their teams

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course Content

8 Chapters • 38 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Safety, Tools, and Work Environment

  • Lesson 1 • Electrostatic Discharge Prevention

    Explains how ESD damages components and the precautions that prevent it. Directly protects hardware integrity during all subsequent repair procedures.

  • Lesson 2 • Essential Hand Tools for Repair

    Identifies screwdrivers, spudgers, pry tools, and specialty instruments used in PC repair. Correct tool selection prevents stripped fasteners and broken housings.

  • Lesson 3 • Workspace Organization and Safety

    Covers bench layout, lighting, ventilation, and chemical safety for cleaning agents. A well-organized workspace reduces errors and speeds up repair workflows.

  • Lesson 4 • Diagnostic and Measurement Instruments

    Introduces multimeters, POST cards, and cable testers used to measure and verify hardware function. These instruments underpin systematic fault isolation.

Chapter 2See details

Foundations of Computer Hardware

  • Lesson 1 • PC Component Overview

    Introduces the major internal and external components of a desktop and laptop PC. Establishes the vocabulary needed for all subsequent diagnostic and repair work.

  • Lesson 2 • Understanding the Motherboard

    Examines motherboard architecture, chipsets, and slot types in detail. Connects component placement knowledge to safe handling and installation practices.

  • Lesson 3 • Storage Devices and Interfaces

    Covers HDD, SSD, and optical drive technologies along with their interface standards. Prepares students to select, install, and replace storage devices correctly.

  • Lesson 4 • Input and Output Devices

    Reviews common I/O devices, their connection standards, and driver dependencies. Links peripheral knowledge to troubleshooting connectivity issues.

  • Lesson 5 • Power Supply Fundamentals

    Explains PSU ratings, connector types, and power delivery to components. Enables students to assess PSU adequacy and identify power-related failures.

Chapter 3See details

Disassembly and Reassembly Techniques

  • Lesson 1 • Component Removal and Handling

    Details safe removal of CPUs, RAM, GPU cards, and heat sinks. Correct handling prevents bent pins, broken retention clips, and thermal compound contamination.

  • Lesson 2 • Desktop Disassembly Procedures

    Walks through removing the case, cables, drives, and motherboard in a logical sequence. Systematic disassembly prevents lost fasteners and connector damage.

  • Lesson 3 • Laptop Disassembly Procedures

    Addresses the unique challenges of laptop teardown, including hidden screws and fragile ribbon cables. Proper technique prevents cracked housings and torn connectors.

  • Lesson 4 • Reassembly and Verification

    Guides students through rebuilding systems in reverse order and verifying correct seating. Verification steps confirm the system posts and boots before closing the case.

Chapter 4See details

Hardware Diagnostics and Fault Isolation

  • Lesson 1 • Storage Device Diagnostics

    Uses S.M.A.R.T. data and surface scan tools to assess drive health and predict failure. Early detection allows data backup before catastrophic drive loss.

  • Lesson 2 • POST Codes and Boot Failures

    Decodes BIOS beep codes and POST error messages to pinpoint startup failures. Early-stage diagnosis prevents unnecessary motherboard replacements.

  • Lesson 3 • Diagnostic Methodology and Workflow

    Introduces the six-step troubleshooting model: identify, theorize, test, plan, implement, verify. A repeatable process reduces diagnostic time and misdiagnosis.

  • Lesson 4 • CPU and RAM Fault Diagnosis

    Covers symptoms of CPU overheating, RAM errors, and memory slot failures. Accurate diagnosis distinguishes software instability from hardware defects.

  • Lesson 5 • GPU and Display Diagnostics

    Identifies GPU artifacts, driver crashes, and display signal failures through systematic testing. Distinguishes GPU hardware faults from cable and monitor issues.

Chapter 5See details

Operating System Installation and Configuration

  • Lesson 1 • Preparing Bootable Installation Media

    Covers creating USB and optical installation media from official OS images. Proper media creation prevents corrupt installs and activation failures.

  • Lesson 2 • Driver Installation and Updates

    Identifies critical drivers needed post-install and methods for sourcing them reliably. Up-to-date drivers prevent hardware conflicts and performance issues.

  • Lesson 3 • Post-Install System Configuration

    Covers power settings, security baseline, and essential software setup after OS install. Proper configuration reduces callback repairs and improves customer satisfaction.

  • Lesson 4 • Partitioning and Formatting Drives

    Explains MBR vs. GPT partition schemes and file system choices before installation. Correct partitioning ensures OS compatibility and optimal storage use.

  • Lesson 5 • OS Installation Walkthrough

    Steps through the full installation process for both Windows and Linux distributions. Hands-on practice builds confidence handling real customer machines.

Chapter 6See details

Component Repair and Replacement

  • Lesson 1 • CPU and Thermal Solution Service

    Covers CPU replacement, thermal paste application, and heat sink reinstallation. Proper thermal management prevents recurring overheating failures after repair.

  • Lesson 2 • Laptop Screen and Keyboard Replacement

    Walks through replacing cracked LCD panels and failed keyboards on common laptop models. These are among the highest-volume repairs in a professional shop.

  • Lesson 3 • Motherboard-Level Component Service

    Introduces DC jack replacement, capacitor identification, and BIOS chip reflashing. These skills extend repair capability beyond simple part swaps.

  • Lesson 4 • Power Supply Replacement

    Details PSU selection, safe removal, and reinstallation with correct cable routing. Proper PSU replacement eliminates power-related instability and component risk.

  • Lesson 5 • RAM and Storage Upgrades

    Guides selection and installation of compatible RAM modules and replacement drives. Correct upgrades improve performance and resolve capacity-related complaints.

Chapter 7See details

Software Troubleshooting and Malware Removal

  • Lesson 1 • Windows System Recovery Tools

    Covers Startup Repair, System Restore, and recovery environment utilities built into Windows. These tools resolve many OS failures without a full reinstall.

  • Lesson 2 • Malware Identification and Removal

    Identifies malware types, infection vectors, and removal strategies using offline and online scanners. Thorough removal prevents reinfection and data theft.

  • Lesson 3 • Blue Screen and Crash Analysis

    Teaches reading stop codes, analyzing minidump files, and tracing BSOD root causes. Accurate crash analysis prevents misdiagnosing software faults as hardware failures.

  • Lesson 4 • Data Backup and Recovery Basics

    Covers backup strategies, imaging tools, and file recovery from failing drives. Protecting customer data is a professional and ethical obligation in every repair.

  • Lesson 5 • Performance Optimization Techniques

    Addresses startup bloat, registry issues, and disk fragmentation that degrade system speed. Optimization delivers measurable performance improvements without hardware upgrades.

Chapter 8See details

Advanced Repair and Shop Operations

  • Lesson 1 • Quality Assurance and Final Testing

    Defines a pre-delivery checklist covering hardware, software, and cosmetic inspection. Systematic QA prevents returns and demonstrates professional workmanship.

  • Lesson 2 • Warranty, Ethics, and Professionalism

    Covers repair warranties, ethical obligations, and professional conduct standards. Ethical practice builds long-term customer trust and repeat business.

  • Lesson 3 • Pricing, Estimates, and Profitability

    Introduces labor rate calculation, parts markup, and competitive pricing strategies. Sound pricing ensures shop sustainability while remaining fair to customers.

  • Lesson 4 • Repair Shop Intake and Documentation

    Establishes intake procedures, work order creation, and customer communication standards. Accurate documentation protects both the technician and the customer.

  • Lesson 5 • Parts Sourcing and Quality Control

    Covers OEM vs. aftermarket parts, supplier evaluation, and incoming parts inspection. Quality parts sourcing reduces warranty callbacks and builds shop reputation.

Certification

Your valid completion certificate

This course is for you:

  • Career changer: seeking a skilled trade with low startup costs and steady demand.

  • Hobbyist tinkerer: ready to transform a personal passion into billable expertise.

  • Recent graduate: looking for a practical technical skill employers recognize immediately.

  • Freelance tech helper: wanting to formalize repairs and start charging fair rates.

  • Shop assistant: aiming to move from front desk work into hands-on repair roles.

  • Small business owner: expanding service offerings to include computer repair and maintenance.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to switch platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the presentation style and video transcription, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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